| Alastair James Gordon-stewart | Director | 22 Jun 2015 | 1 Jun 2016 | British | 54 years |
| Andrew Nicholas Cenwulf Storey | Director | 5 Dec 2018 | 4 Mar 2022 | British | 69 years |
| Andrew Nicholas Howard White | Director | 16 Jul 2008 | 12 Dec 2011 | British | 56 years |
| Bethan Melges | Secretary | 16 Jul 2015 | 9 Sept 2019 | - | - |
| Deborah Pamela Hamilton | Secretary | 16 Jul 2008 | 22 Sept 2014 | British | - |
| Matthew Armitage | Secretary | 22 Dec 2014 | 16 Jul 2015 | - | - |
| Matthew David Barton | Director | 16 Jul 2008 | 8 Nov 2009 | British | 52 years |
| Paul John Staniland | Director | 16 Jul 2008 | 28 Sept 2012 | British | 71 years |
| Philip Higgins | Secretary | 9 Sept 2019 | 24 Sept 2021 | - | - |
| Philip Roger Perkins George | Director | 27 Jun 2011 | 21 Dec 2012 | British | 55 years |
| Phillippa Jane Wilton Prongué | Director | 8 Oct 2012 | 5 Dec 2018 | British | 50 years |
| Richard William Simkin | Director | 16 Jul 2008 | 30 Jun 2011 | British | 78 years |
| Thomas George Gilman | Director | 5 Dec 2018 | 19 Feb 2020 | British | 56 years |